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(11)

EP 1 730 942 A2

(12)

(88) Date of publication A3: 11.05.2006 (43) Date of publication: 13.12.2006 Bulletin 2006/50 (21) Application number: 04814538.7 (22) Date of filing: 20.12.2004

(51) International Patent Classification (IPC):  H04M 11/04(2006.01) H04L 12/66(2006.01) (86) International application number: PCT/US2004/042367 (87) International publication number: WO 2005/104518 (03.11.2005 Gazette 2005/44)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR LV MK YU (30) Priority: 23.03.2004 US 555305 P 03.05.2004 US 836330 (71) Applicants: Telecommunication Services Inc. Annapolis, MD 21401 (US) Zhu, Yinjun Mercer Island, WA 98040 (US) Dickinson, Richard Seattle, WA 98102 (US) Marshall, Roger Auburn, WA 98001 (US) Helme, Steven P. Shoreline, WA 98133 (US)

(72) Inventors: ZHU, Yinjun Mercer Island, WA 98040 (US) DICKINSON, Richard Seattle, WA 98102 (US) MARSHALL, Roger Auburn, WA 98001 (US) HELME, Steven, P. Shoreline, WA 98133 (US) (74) Representative: Walker, Neville Daniel Alan  ipconsult 21A Commercial Road Swanage, Dorset BH19 1DF Swanage, Dorset BH19 1DF (GB)